What Poison? Bacterium Uses Arsenic to Build DNA and Other Molecules

By Elizabeth Pennisi

Science03 Dec 2010 : 1302

In a paper published online by Science this week, researchers describe GFAJ-1, a bacterial strain that they say can replace the phosphorus in its key biomolecules, including DNA, with the legendary poison arsenic.

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What Poison? Bacterium Uses Arsenic to Build DNA and Other Molecules

By Elizabeth Pennisi

Science03 Dec 2010 : 1302

In a paper published online by Science this week, researchers describe GFAJ-1, a bacterial strain that they say can replace the phosphorus in its key biomolecules, including DNA, with the legendary poison arsenic.